17-hydroxycorticosteroid test

17-hy·drox·y·cor·ti·co·ste·roid test

a test, dependent on the Porter-Silber reaction, that is used as a measure of adrenocortical function and is performed on urine. Low values are seen in Addison disease and hypopituitarism; high values are seen in Cushing syndrome and extreme stress.

17-hy·drox·y·cor·ti·co·ste·roid test

(hī-droks'ē-kōr-ti-kō-ster'oyd test)
A test (dependent on the Porter-Silber reaction) that is used as a measure of adrenocortical function and is performed on urine. Low values are seen in Addison disease and hypopituitarism; high values are seen in Cushing syndrome and extreme stress.

Porter,

Curt C., U.S. biochemist, 1914–.
Porter-Silber chromogens - used chiefly to determine plasma cortisol concentrations and the urinary output of 17-hydroxycorticoids.
Porter-Silber chromogens test - a urine test used as a measure of adrenocortical function. Synonym(s): 17-hydroxycorticosteroid test
Porter-Silber reaction - the basis of the 17-hydroxycorticosteroid test.
References in periodicals archive ?
The historic 24-h 17-hydroxycorticosteroid test is not recommended as a screening test for Cushing syndrome because of low diagnostic accuracy (12).